定语从句定语从句 概念 : 在复合句中修饰名词或代词 的句子 . (Attributive clause)Mary is a beautiful girl.Mary is a girl who has long hair.形容词作定语句子作定语 , 修饰 girl, 叫做定语从句1.The man is a farmer.2.The man is speaking at the meeting.合并句子 : The man who is speaking at the meeting is a farmer.Mary is a girl.Mary has long hair.合并为一个句子Mary is a girl who has long hair.先行词关系词定语从句Mary is a girl who has long hair.关系代词关系副词which, who, whom, whose, thatWhere, when 定语从句的用法 :当先行词是物时 , 用 which 或 that 引导 .These are the trees which were planted last year.当先行词是人时 , 用 who, whom, whose, that 引导 .who, whom, whose, that 用法区别 .who 作定语从句的主语或宾语 . The man who is speaking at the meeting is a worker.The man is a worker.The man is speaking at the meeting.分解作主语Whom 作定语从句的宾语 The woman whom they wanted to visit is a teacher.The woman is a teacher.They wanted to visit the woman.分解作宾语whose 作定语从句的定语 . I know the girl whose mother is a teacher.分解I know the girl.The girl’s mother is a teacher.作定语that 可以作定语从句的主语和宾语 .注意 : 关系代词作动词宾语时可 省略 . The woman (whom/ that) they wanted to visit is a teacher.下列情况只能用 that1. 当序数词或形容词最高级修饰先行词时。 eg. Tom is the cleverest boy that I have ever known.2. 当先行词是指物的 little,few,much,any,all,anything,something,nothing,none,the one, everything, 等不定代词时。 eg. Everything we saw in the film was OK.eg. Everything we saw in the film was OK.eg. All that I can do has been done. eg. All that I can do has been done. 3.3. 当先行词被当先行词被 all,little,few,much,any,every,noall,little,few,much,any,every,no等修饰时等修饰时 eg. I have eaten all the food that...
